Magnetic Dipole & Bar Magnet: JEE Questions & Solutions

A short bar magnet placed with its axis at 30^ with an external magnetic field of 800 Gauss experiences a torque of 0.016 N m. The work…

A magnetic dipole experiences a torque of 80 3 N m when placed in a uniform magnetic field in such a way that the dipole moment makes an…

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): Magnetic monopoles…

The magnetic potential due to a magnetic dipole at a point on its axis situated at a distance of 20 cm from its center is 1.5 10^-5 Tm. The…

A straight magnetic strip has a magnetic moment of 44 A m^2. If the strip is bent in a semicircular shape, its magnetic moment will be:

The magnetic moments associated with two closely wound circular coils A and B of radius rA = 10 cm and rB = 20 cm respectively are equal…

JEE Main 2023 Questions with Solutions A bar magnet with a magnetic moment 5.0 A m^2 is placed in parallel position relative to a magnetic…

A rod with circular cross-section area 2 cm^2 and length 40 cm is wound uniformly with 400 turns of an insulated wire. If a current of 0.4…

Certain galvanometers have a fixed core made of non-magnetic metallic material. The function of this metallic material is: Options:

The current required to be passed through a solenoid of 15 cm length and 60 turns to demagnetize a bar magnet of magnetic intensity 2.4…

A compass needle oscillates 20 times per minute at a place where the dip is 30^ and 30 times per minute where the dip is 60^. The ratio of…